JPS6278093U - - Google Patents
Info
- Publication number
- JPS6278093U JPS6278093U JP17002585U JP17002585U JPS6278093U JP S6278093 U JPS6278093 U JP S6278093U JP 17002585 U JP17002585 U JP 17002585U JP 17002585 U JP17002585 U JP 17002585U JP S6278093 U JPS6278093 U JP S6278093U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal level
- drive
- drive current
- detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図は本考案のブラシレスモータの駆動電流
制限回路の構成を示すブロツク図、第２図は本考
案のブラシレスモータの駆動電流制限回路の一実
施例を示す回路図である。
１……ロータ、２……駆動回路、３……制御回
路、４……検出回路、５……サーボ信号発生回路
、６……比較回路、７〜９……コンプリメンタリ
回路、１０……ＩＣ回路、１１〜１３……位置検
出用センサー、１４……周波数発電用センサー、
Ｌ１〜Ｌ３……駆動コイル、Ｑ１，Ｑ３……トラ
ンジスタ。
FIG. 1 is a block diagram showing the configuration of a drive current limiting circuit for a brushless motor according to the present invention, and FIG. 2 is a circuit diagram showing an embodiment of the drive current limiting circuit for a brushless motor according to the present invention. 1... Rotor, 2... Drive circuit, 3... Control circuit, 4... Detection circuit, 5... Servo signal generation circuit, 6... Comparison circuit, 7 to 9... Complementary circuit, 10... IC circuit , 11-13... position detection sensor, 14... frequency power generation sensor,
L1 to L3 ...drive coil, Q1 , Q3 ...transistor.
Claims (1)
電流を順次切り換えながらこれを流す駆動回路と
、 この駆動回路の切り換えおよび前記駆動電流量
を制御する制御回路と、 前記駆動回路に流れる駆動電流の変化に対応す
る検出信号レベルが得られる検出回路と、 前記ロータの回転数を検出して所定の基準回転
数に応じた信号であつて、前記基準回転数に近づ
けるように、前記駆動電流を変化させるためのサ
ーボ信号を、前記制御回路へ出力するサーボ信号
発生回路と、 前記検出信号レベルと所定の基準信号レベルを
比較して、前記検出信号レベルが前記基準信号レ
ベルを越えたとき、前記サーボ信号レベルを制限
する比較回路と、 を具備してなることを特徴とするブラシレスモー
タの駆動電流制限回路。[Claims for Utility Model Registration] A drive circuit that sequentially switches and passes drive current to a plurality of drive coils that rotate a rotor; a control circuit that switches the drive circuit and controls the amount of drive current; and the drive circuit. a detection circuit that can obtain a detection signal level that corresponds to a change in the drive current flowing through the circuit; and a detection circuit that detects the rotation speed of the rotor and generates a signal that corresponds to a predetermined reference rotation speed so as to be close to the reference rotation speed. , a servo signal generation circuit that outputs a servo signal for changing the drive current to the control circuit; and a servo signal generation circuit that compares the detection signal level with a predetermined reference signal level and determines that the detection signal level is higher than the reference signal level. A drive current limiting circuit for a brushless motor, comprising: a comparison circuit that limits the servo signal level when the level exceeds the servo signal level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17002585U JPS6278093U (en) | 1985-11-05 | 1985-11-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17002585U JPS6278093U (en) | 1985-11-05 | 1985-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6278093U true JPS6278093U (en) | 1987-05-19 |
Family
ID=31104375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17002585U Pending JPS6278093U (en) | 1985-11-05 | 1985-11-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6278093U (en) |
-
1985
- 1985-11-05 JP JP17002585U patent/JPS6278093U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1519658A (en) | Position control arrangements | |
| JPS6278093U (en) | ||
| JPH01100035U (en) | ||
| JPS61115495U (en) | ||
| JPS6218865U (en) | ||
| JPS6219097U (en) | ||
| JPS6219096U (en) | ||
| JPS608560Y2 (en) | Motor drive circuit | |
| JPS6241394U (en) | ||
| JPS63176368U (en) | ||
| JPS6172096U (en) | ||
| JPS62165800U (en) | ||
| JPS62188977U (en) | ||
| JPH0377297U (en) | ||
| JPS5931564U (en) | power steering control device | |
| JPH0260498U (en) | ||
| JPS63127297U (en) | ||
| JPS6340131U (en) | ||
| JPS61157292A (en) | Hall motor drive device | |
| JPS61138398U (en) | ||
| JPS61156500U (en) | ||
| JPS6344700U (en) | ||
| JPS62143264U (en) | ||
| JPH01129561U (en) | ||
| JPS63102307U (en) |